<template>
    <el-dialog
            :close-on-click-modal="false"
            :title="!dataForm.id ? '新增' : '修改'"
            :visible.sync="visible">
        <el-form :model="dataForm" :rules="dataRule" @keyup.enter.native="dataFormSubmit()" label-width="80px"
                 ref="dataForm">
            <el-form-item label="角色名称" prop="roleName">
                <el-input placeholder="角色名称" v-model="dataForm.roleName"></el-input>
            </el-form-item>
            <el-form-item label="备注" prop="remark">
                <el-input placeholder="备注" v-model="dataForm.remark"></el-input>
            </el-form-item>
            <el-form-item label="授权" size="mini">
                <el-tree
                        :data="menuList"
                        :props="menuListTreeProps"
                        node-key="menuId"
                        ref="menuListTree"
                        show-checkbox>
                </el-tree>
            </el-form-item>
        </el-form>
        <span class="dialog-footer" slot="footer">
      <el-button @click="visible = false">取消</el-button>
      <el-button @click="dataFormSubmit()" type="primary">确定</el-button>
    </span>
    </el-dialog>
</template>

<script>
    import {treeDataTranslate} from '@/utils'
    import {Debounce} from '@/utils/debounce'

    export default {
        data() {
            return {
                visible: false,
                menuList: [],
                menuListTreeProps: {
                    label: 'name',
                    children: 'children'
                },
                dataForm: {
                    id: 0,
                    roleName: '',
                    remark: ''
                },
                dataRule: {
                    roleName: [
                        {required: true, message: '角色名称不能为空', trigger: 'blur'},
                        {pattern: /\s\S+|S+\s|\S/, message: '请输入正确的角色名称', trigger: 'blur'}
                    ],
                    remark: [
                        {required: false, pattern: /\s\S+|S+\s|\S/, message: '输入格式有误', trigger: 'blur'}
                    ]
                },
                tempKey: -666666 // 临时key, 用于解决tree半选中状态项不能传给后台接口问题. # 待优化
            }
        },
        methods: {
            init(id) {
                this.dataForm.id = id || 0
                this.$http({
                    url: this.$http.adornUrl('/sys/menu/table'),
                    method: 'get',
                    params: this.$http.adornParams()
                }).then(({data}) => {
                    this.menuList = treeDataTranslate(data, 'menuId', 'parentId')
                }).then(() => {
                    this.visible = true
                    this.$nextTick(() => {
                        this.$refs['dataForm'].resetFields()
                        this.$refs.menuListTree.setCheckedKeys([])
                    })
                }).then(() => {
                    if (this.dataForm.id) {
                        this.$http({
                            url: this.$http.adornUrl(`/sys/role/info/${this.dataForm.id}`),
                            method: 'get',
                            params: this.$http.adornParams()
                        }).then(({data}) => {
                            this.dataForm.roleName = data.roleName
                            this.dataForm.remark = data.remark
                            var idx = data.menuIdList.indexOf(this.tempKey)
                            if (idx !== -1) {
                                data.menuIdList.splice(idx, data.menuIdList.length - idx)
                            }
                            console.log(data.menuIdList)
                            this.$refs.menuListTree.setCheckedKeys(data.menuIdList)
                        })
                    }
                })
            },
            // 表单提交
            dataFormSubmit: Debounce(function () {
                this.$refs['dataForm'].validate((valid) => {
                    if (valid) {
                        this.$http({
                            url: this.$http.adornUrl(`/sys/role`),
                            method: this.dataForm.id ? 'put' : 'post',
                            data: this.$http.adornData({
                                'roleId': this.dataForm.id || undefined,
                                'roleName': this.dataForm.roleName,
                                'remark': this.dataForm.remark,
                                'menuIdList': [].concat(this.$refs.menuListTree.getCheckedKeys(), [this.tempKey], this.$refs.menuListTree.getHalfCheckedKeys())
                            })
                        }).then(({data}) => {
                            this.$message({
                                message: '操作成功',
                                type: 'success',
                                duration: 1500,
                                onClose: () => {
                                    this.visible = false
                                    this.$emit('refreshDataList')
                                }
                            })
                        })
                    }
                })
            })
        }
    }
</script>
